Flat 6 15 Fitzhardinge Street London W1H 6EQ

This site has had 2 applications since 2026.

• 26/06623/LBC Awaiting decision

  Flat 6 15 Fitzhardinge Street London W1H 6EQ

  Replacement of existing timber sash windows with slim double glazed timber sash windows (Linked with 26/06622/FULL)

  Submitted 28 Sep 2026 Heritage and listed buildings

1. 28 Sep 2026

   Received by Westminster

2. 29 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Nov 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 91 days over the applications it decided in the last year.

1 later application on the register refers to this one:

• 26/06623/LBC Awaiting decision

  Flat 6 15 Fitzhardinge Street London W1H 6EQ

  Replacement of existing timber sash windows with slim double glazed timber sash windows (Linked with 26/06622/FULL)

  Submitted 28 Sep 2026 Heritage and listed buildings

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Flat 6 15 Fitzhardinge Street London W1H 6EQ

  26/06623/LBC Submitted 28 Sep 2026 50 yards away

  90% historically approved · decision due ~24 Dec

  Replacement of existing timber sash windows with slim double glazed timber sash windows (Linked with 26/06622/FULL)

  Awaiting decision Heritage and listed buildings Windows or glazing

• 13 Manchester Square London W1U 3PP

  26/04759/LBC Submitted 16 Jul 2026 50 yards away

  90% historically approved · decision due ~10 Sep

  Removal and replacement of the existing front entrance door with a like for like door fitted with the existing ironmongery.

  Decided Heritage and listed buildings

• 12 Manchester Square London W1U 3PP

  25/08155/AD7 Submitted 7 Nov 2025 50 yards away

  Display for a temporary period of six months of a non-illuminated estate agent board located on the railings of the building at ground floor level and measuring 0.45m x 0.6m.

  Granted Advertising 7 docs

• 11 Seymour Mews London W1H 6BE

  06/00799/CAC Submitted 2 Feb 2006 50 yards away

  Substantial demolition behind retained facades.

  Granted Heritage and listed buildings Demolition 3 docs

• 11 Seymour Mews London W1H 6BE

  06/00798/FULL Submitted 2 Feb 2006 50 yards away

  i) External alterations in connection with use of No. 11 as a 2x bedroom house.ii) Demolition behind retained facade of Nos. 15 and 16 to be used for office purposes. (Part of a use swap with 18 and 20 Seymour Place)

  Granted Full applications Demolition 17 docs

• 6 Seymour Mews London W1H 6BE

  25/04662/ADFULL Submitted 7 Jul 2025 50 yards away

  Details of Code of Construction Practice pursuant to Condition 3 of planning permission dated 05 September 2024 (RN24/02777/FULL)

  Granted Full applications 9 docs

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications